Betaine source

Wayne M. Barnes wayne at BARNES1.WUSTL.EDU
Tue Apr 15 17:22:52 EST 1997

 To: BROE at (Bruce Roe)
 Dear Bruce,
      Your secretary left a message asking which betaine to order.
      $52 will get you 1 kg from Sigma (B-2629).  We make it up to 4 M or
 5 M for a stock, and use this to replace the water in the cycle-sequencing
 recipe.  Final 1.3 to 1.5 molar.  
      This information is on my web page, too.
      Sigma might call and ask whether you are going to use the betaine on
 people.  It might save a day to include a note with your order, stating
 that this is strictly for laboratory experiments with no human drug
 application of any kind.
 Wayne M. Barnes, Ph.D.                        wayne at
 Biochemistry Dept. 8231                   or  barnes at
 Washington Univ. Medical School               314.362.3351  fax 7183
 660 South Euclid Ave., St. Louis, MO 63110

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